package com.andrew.servlet;

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.andrew.service.BookService;
import com.andrew.service.CartService;
import com.andrew.service.impl.BookServiceImpl;
import com.andrew.service.impl.CartServiceImpl;

public class UpdateBookStockServlet extends HttpServlet{
	private BookService bookService=new BookServiceImpl();
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doPost(req, resp);
	}
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		//设置编码
		req.setCharacterEncoding("UTF-8");
		resp.setContentType("text/html;charset=UTF-8");
		int bookId=Integer.parseInt(req.getParameter("bookId"));
		int stock=Integer.parseInt(req.getParameter("stock"));
		int result=0;
		
		try {
			result=bookService.changeStocks(bookId, stock);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if(result>0) {
			resp.getWriter().write("UpdateBookStockSuccess");
		}else {
			resp.getWriter().write("UpdateBookStockFail");
		}
		
	}

}
